Gas Conversion; Checking Combustion Parameters - Beretta EXCLUSIVE GREEN 25 CSI Installation And User Manual

Exit the CALIBRATION & SERVICE function by pressing
ESCAPE.
The boiler returns to the "- -" (OFF) status.
To reset, press the button.
- Disconnect the pressure gauge and tighten the pressure
tap screw.
After adjusting the gas valve, seal it with sealing
wax.
After making adjustments:
- return the temperature set with the ambient thermostat
to the required position
- close the panel
- put back the shell.
16
.
It is easy to convert from one gas family to another even
after the boiler has been installed. This operation must
be performed by professionally qualified staff.
The boiler is designed to work with natural gas or LPG.
The product plate indicates which fuel it has been fitted
out to use.
It is possible to convert the boiler from one kind of gas
to the other using kits which can be supplied on request:
- natural gas to LPG conversion kit
- LPG to natural gas conversion kit
To disassemble, proceed as follows:
- disconnect the boiler from the power supply and close
the gas tap
- remove the components to access to the internal parts
of the boiler
- remove the gas ramp (A)
- remove the nozzle (B) contained inside the gas tamp
and replace it with the one contained in the kit
- reassemble the gas ramp
- power the boiler and open the gas tap (with the boiler
working, check there are no leaks in the gas supply
circuit).
Programme the "Gas type" parameter and adjust the
boiler as described in the "Adjustments" chapter.
The boiler may only be converted by qualified
staff.
After conversion, adjust the boiler again as
shown in the relative paragraph and apply the
new rating plate contained in the kit.
17
.
To ensure the product remains in perfect working order,
and to comply with current legislation, systematically
check the boiler at regular intervals.
To analyse combustion, proceed as follows:
- access the CALIBRATION & SERVICE phase by
setting the password as indicated in chapter
"Adjustments"
- insert the analyser probes in the designated positions
on the air chamber, after having removed screw B and
cap C
- make sure, in the HH and LL parameters, that the CO
values correspond with those indicated in the table. If

GAS CONVERSION

CHECKING COMBUSTION
PARAMETERS
Fig. 52
.
2
Fig. 53
30
B
A
C
B